There have been some big losers in the market in 2025.Finding 2025's most unloved stocks and investing in them with the expectation for a rebound in 2026 can be a smart investing strategy. However, you must make sure there's a rock-solid investing thesis behind them, and hope isn't a good one.I think The Trade Desk (TTD +0.50%) and PayPal Holdings (PYPL 0.12%) are two stocks that are primed for a comeback after a terrible 2025. Each of the companies has real reasons for being able to return to favor in the ...